There are
728 mi
from Tempe, AZ to Sunnyvale, CA
That's the driving distance. It would take 13 hours 25 mins to go from Tempe, Arizona to Sunnyvale, California.
The flight distance (direct flight from Tempe, AZ to Sunnyvale, CA) is 630.05 mi.
728 mi = 1,172.23 kms